Home / 133,039.56-198,953.10-99,329.16

Finding the Fourth Proportional to 133,039.56, 198,953.10 and 99,329.16

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Solution

The fourth proportional to 133,039.56, 198,953.10 and 99,329.16 is: 148,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,039.56 : 198,953.10 = 99,329.16 : x
  2. Step 2: Convert to fraction form
    133,039.56/198,953.10 = 99,329.16/x
  3. Step 3: Cross multiply
    133,039.56x = 198,953.10 × 99,329.16
  4. Step 4: Simplify right side
    133,039.56x = 19,761,844,302.40
  5. Step 5: Solve for x
    x = 19,761,844,302.40/133,039.56
  6. Step 6: Final answer
    x = 148,541.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.